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Finding the Third Proportional to 9,051,579 and 19,697,220

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Solution

The third proportional to 9,051,579 and 19,697,220 is: 42,863,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051,579 : 19,697,220 = 19,697,220 : x
  2. Step 2: Convert to fraction form
    9,051,579/19,697,220 = 19,697,220/x
  3. Step 3: Cross multiply
    9,051,579x = 19,697,220 × 19,697,220
  4. Step 4: Simplify right side
    9,051,579x = 387,980,475,728,400
  5. Step 5: Solve for x
    x = 387,980,475,728,400/9,051,579
  6. Step 6: Final answer
    x = 42,863,292.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.